000 00540nam a2200181 4500
001 6564/90
005 20140412154338.0
008 111112s9999 xx 000 0 und d
020 _a0-87891-558-3
050 _aTK5102
_b.T44 1987
082 0 0 _a621. 380413076res
245 1 0 _aThe electronic communications problem solver:
_b/
250 _a ed.
260 _aNew york :
_bResearch & education ass.
_c1987.
300 _axiii, 1041p.;
_c25 cm.
650 0 _atelecommunication
_9459
942 _2lcc
_cREF
_hTK5102.T44 1987
999 _c32367
_d32367